package com.xxx.seckill.utils;

import org.apache.commons.codec.digest.DigestUtils;
import org.springframework.stereotype.Component;

/**
 * @Author: xxx
 * @Date: 2022/12/29 20:02
 * @Description: 密码加密工具类
 */
@Component
public class MD5Util {
    public static String md5(String src) {
        return DigestUtils.md5Hex(src);
    }

    //盐值
    private static final String salt = "1a2b3c4d";

    public static String inputPassToFromPass(String inputPass) {
        String str="" + salt.charAt(0) + salt.charAt(2) + inputPass + salt.charAt(5) + salt.charAt(4);
        return md5(str);
    }

    public static String formPassToDBPass(String formPass, String salt) {
        String str = "" + salt.charAt(0) + salt.charAt(2) + formPass + salt.charAt(5) + salt.charAt(4);
        return md5(str);
    }

    public static String inputPassToDBPass(String inputPass, String salt) {
        String fromPass = inputPassToFromPass(inputPass);
        String dbPass = formPassToDBPass(fromPass, salt);
        return dbPass;
    }

    public static void main(String[] args) {
        //第一次加密d3b1294a61a07da9b49b6e22b2cbd7f9
        System.out.println(inputPassToFromPass("123456"));
        //第二次加密1897a69ef451f0991bb85c6e7c35aa31
        System.out.println(formPassToDBPass("d3b1294a61a07da9b49b6e22b2cbd7f9",salt));

        //System.out.println(inputPassToDBPass("123456", "1a2b3c4d"));
    }
}
